Liquid-fuel burner.



A'. R.` ANTHOML LIQUID FUEL BURNER.

APPLICATION FILED JULY 13, 1912.

Patented Aug. 2611913.

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A.v R. ANTHONY. LIQUID FUEL BURNER. APPLICATION FILED JULY 13, 1912.

1,071,381, L i PatenteaAugzawmj 2 SHEETS-SHEET 2.

. vto receive a wrench for the purpose ofad To all whom it may concern through the interior of the casing.y The xav-threadm'l to receive a cap 23, thelatj UNITED srafrns rarnNr onirica.

ALFRED n. ANTHONY, orv Mcirraosn, rnNNsYL=vaN1a,'ass1eNon, :BY MnsNn ASSIGN- MENTS, 'ro havin vysUr'roN,

OF MADSQT, NEW JERSEY.

p LIQUID-FUEL BURNER.

Applica/in inea :any 1a, i

Be it known that I, ALFRED R. ANTHONY. a citizen of the United States, and'resident of Montrose, Susquehanna county7 State of Pennsylvania, have invented a certain new and useful Improvement in Liquidluel Burners, of which the following is a speci-` fication. A I p -This invention relates to fuel oil burners and has for its object the .production of a burner which is simple' in construction, is thoroughly efficientin operation and may be conveniently installed. I l

Other objects and the features of novelty will be apparent from the'following descrip tion, taken in Iconnection with kthe accom` panying drawings,`in which,

Figure 1 is a plan viewv of a burner shown in connection with a' scrubber or strainer Ifor the fuel oil; Fig. Q isv a vertical longitudinal. section through the burner; Fig. 3 is Aan en larged transverse section on the line 3-3 of Fig. 9.; Fig. 4 is a transverse section on the line 4-4 of Fig. 2.; Fig.l 5 is a, fragmentary longitudinal section of a modified form of nozzle; F ig. 6 is a fragmentary section of still another form'of nozzle; Fig. 7 is a view similar to Fig. 3and showing a modified form of cone plug for dividing the spray.

' Referring to the drawings, 10 indicates the burner casing which is provided preferably on its lower side with an air inlet 11 and has the nozzle end 12 thereof externally screw-threaded to'receive. an adjustable cap 13. The cap 13 may be provided with the outward projections 14 by means .of which it may be conveniently rotated and a lock nut 15 may be arranged on the threaded end 12 to lock the cap 13 inV position. The rearward end of the casing 10 is internally screw-threaded as at 16 to 'receive the spindle or pipe 17 which extends longitudinally spindle 17 may have its'outei end provided with an angular flangeflS which is adapted jnsting the pipe.. Thenozzle end of the pipe 17 is preferably reduced and provided with external threads as at `19, Von `which may `bc arranged a sleeve 20'which may be conveniently locked in position by a snitlarged portion 22 vwhich may be erriernally.4

'Specication lof lLetters Patent. Tratamied Aug. 26. l 5H 3 91a. serial No. 709,212

ter being provided with internal'longitudinally extending ribs`24 which engage the threads on the enlarged portion 23.

The spindle 'or pipe 17. is provided with a longitudinal bore which is preferably coni? calin the reduced'end portion 19 andrearwardly of this conicalportion there is an enlarged cylindrical portion 25 and rear? wardly of the portion 25' is a still larger portion Q6. At its outward end thespindleor pipe 17 may be internally threaded to reby means of' which a fitting 30 is secured to thev sleeve 27. The fitting 'is provided with av laterally extending tubular .portion or elbow 31 which is connected with an elbow 32 on the scrubber or strainer by means of a union 33, which may be of any usual construction. The tubular portion of the Fitting 30 communicates with the interior of the latter and thus with. the interior of the spindle or pipe 17. v

A needle valve 34 extends longitudinally of the bore of the spindle or pipe 17 and has .ceive the sleeve 27 provided with a flange 28 and having arranged thereon a ring -nut 29 a conical or pointed end 35 which'coperates with the conical' 'bore of the reduced end of the spindle to regulate the flow of oil therethrough. The nozzle valve be provided` with a shoulder 3G and a r ig or collar 37 .maybe arranged on the needle valve between this shoulder and the conical end '35 to act as a vsupportfor the latter. The

ring 37 is provided with a series oflongitudinal openings 38 which permit the oil 'to pass therethrough.

The fitting 30 has secured thereto by means of the screw threads 39 a bonnet 40 `which is internally screw threaded as at 41 and in engagement with the` threaded portion 42 of the needle valve. At its outer end the bonnet 40. is provided with la"suit able cap or gland 42 which cooperates with i the bonnet to form a chamber for the pacllv ing material. 43, this packing material preventing the leakage of 'oil 'along the stem of the needle-valve. Exteriorly of the bonnet 4() the needle valve is provided with a suitable hand wheel 44, by means of which' the valve may be adjusted.

As shown in Fig. 1, the nozzle end of the spindle or pipe l'l is internally screw threaded as at 45 to receive the. plug or tip 46 which is provided at one end with a conical bore 47 and at the other end with a preferably straight bore 48 inline with .the Si.' point of the needlevalve 35. The conical ore 47- is, as'shown, slightly larger than the adjacent portion of the conicalbore in the l:end o f the spindle 17 'By this arrangement l there is no ppssibil'ity of the pointof the' needle valve..-enga'gi g the fpl g-or tipv46 -I which progects into al corresponding conical 20` bore `52 in the inner end o'f the member 49,

' and unscrefwing the same.v

which is' the preferred forni of the invention, I have shown this `nuanaber asengaginlg threads on' the .interior off said sleeve.' conical plug v having la plurality "of wings 51'is arranged en 'the'interior of themember 49 and `secured to the latter-byv means of;

screw threads. The plug or tip V46-h`as a conical outer end The sleevel 20 4is `provided with avs'eries of is conicallyformed, as at 55, and coperates with the conical 'end 56 on the cap 23 to form a conical space 'athrough which air may be discharged lfrom the Achamber between the cap 23 and the sleeve 2O.V The cap 13 has its outer end conically formed to cooperate with. the end 56 of the cap. 23 t0 form another conical space l 56b through l which air may be discharged from the -space and the cap 23.

between the end portion 12 of the casing 10 The plug 50 -is extended outwardlybeyond` its conical portion and is provided with the circumferential 'groove 57 which is opposite the cenicabspace 56a.

The shape of the groove 57 is such that the jet which is discharged through'thc'space 56? Will be converted into an outwardly flaring cone. Beyond th'e groove 57 and opposite-the space 56b 1s a second circumferential groove 58 which may be similar in shape tothe groove 57.

The operation of the burner is as follows:

The oil lows throughv the scrubber `or strainer 3o and theelbows 32 and 31 into the interior of the fitting 30. From the latter the oil flows longitudinally 'throughthe end will annular space between the needlevalve 34 and the-spindle or pipe 17 tothe collar 3'( andv then through the openings 38 inthe latter to the conical end portion of the spindle. Th'eneedle valve being slightly yopenfthe oil`will iiow past the point 35 of `the needle valve and through the bores v47 and 48 of the plug 46 and against the pointed e'l of the plug 50. This pointed Air und'P A. tubular member 49 has sdrew-threaded engagement with sleeve 20'r andvin Fig- 1 Hrm vthejet of oil-into a. cueil.

10 through theinlet 11-A andpass'esrinto the 'annular spaces between the caps 13 and 23:

and the-cap 23 and the sleeve 20. From the latter space the air passes through the'openings 53 and flowing along the conical outer end of the lplug 46 will be discharged in thel form of a converging'conical jet'against the jet of oil discharged from the tip 46. The

jets of oil and airV will meet in t-he bore 54 of the member 49 and the oil will be somewhat atomized and mixed with the' air.` 1;

The mixture will flow along theexterio-r of the conical plug 50 as ,an outwardly diverg-l This outwardly diverging conical sheet. ing conicalz sheet will be met -wardly directed conical jet of air through lthe space '56 driving thel mixture schar'ged -into'A the groove and more thoroughly break upfthe particles ofand atomize thesame and form a more fperfect mixture.

@he miXtur wiII`be 'turned 'outwardly by the groove 57'1'n the form' of a divergin .conical sheetwhich `will be met by vthe jet o jet driving they mixture into the groove-58 and effecting a more perfect atomization of lmixture outward in the form of a direi-ging conical sheet which will leave the plu air-'discharged tl'lrouvgl'i'the' Space '56, this l tra the oil,'whereby the latter will more readily `i i combine with the air -toform a perfect mixt ture. `The groove 58 will again turn the and owing to the shape of this plug wi l be distributed through t e furnace in a lateral direct-ion rthereby effecting a. thorough distribution 'of the flame throughout the fur- IljCe. 4

The pointed end of the-plug 50 serves as a means for breaking the jet ofoil "which is" discharged'from themplug 46 into a thin" sheet and therefore the burner will be.- adapted "to use very thick; oils since this` -means 'for vpositively separating 'the jet if causes thelatter to be thoroughly broken upby the jets ofvair which will impinge upon it..

It is soi'n'etimes:desirable to profeet' orV drive the mixture longitudinally 'of t furnace and inv order to' accomplish .this the outer'end of. the plug 50 is provided with a cone. 4Referring to Fig. 5, itwill be seen sponds to the plig 50 in Fig. y2, hasta pointed or' conical en thatl have illustrated the nozzle endy of that burner, the parts'. being the same with the exception that the plug' 60 which corre-l discliargtn'edv -through the space 56b will drive the mixture inwardly -in the f o'rm of a connace in the form of a pencil or jet'. A When some classes of fuel are'used two jets of air are necessary to formfapcrff feet mixture-,and therefore the' jet forn'i'ed by thev space 56"l may 'be dis ensed with.,

'essure is received .in the casing.

verging cone which on leaving the ypointof I the cone 61 will be'directed through'lftheifur- 'Und'er these circumstances'thes eeve 23 mayf 18d"y l ybe eliminated and the end of the cap 13 to coperate with the outer surface of member 49 to form the. snace 56, ,as 1

shown in Fig. 6.- n this construction tne end of the plug may bein the form of a.`

Aternal threads on the plug 63, the latter having; a: screw threaded connection With the interior of the sleeve 20. In this con-A struction the plug 63 takes the place of the members?) and the fiange 62 onthe plug "ierates with the cap Q3 to'vform the ice 56a. The flange 62 has openings 64 against which the oil is discharged. 'ftherwise this modification may be similar in all respectsto that 'shown in Fig. Q.

While i have shown in Fig, 6 a burner in .fhieh the cap is omitted to provide'a single jet 56,l and in Figs. 2, 5 and 7 burners having the capi- 23 to provide the two jets of air'56a and 56", it will be obvious that two or more superposed caps 23 and the corresponding number of grooves in plug 50 may be employed to provide three or more jets similar to jets '56, and 56".

By having the fitting 30 connected with the spindle 17` inthe manner illustrated in Figs. l and 2,'.fit'will be evident that this fitting may be swung so thatthe elbow' 31 stands in any desired position and the'titting may besecure` y held in this position by means ofthe nut 29. It/Will also be seen plug that the'nozzle maybe readily taken 'apart by nncoupling` the unich 33 and by unscrewing the spindle 17' from the body 10. 'ihis permits the spindle andthe cap 23 and all of the parts carried thereby to be removed Without disturbing the easing 10. The parts may also be returned to Atheir former positions after being taken out as the adjustment need not be disturbed in removing them. The needle valve may also be readily removed by unsoreiving the bonnet 4l() from the fitting 30. The cap 23 may he adjusted to make the space'a vany desired Width, while the spindle is out of the casing' 10 and the cap 13 may be readily adjusted without disturbing the adjustment ofthe cap 23. If'desired, theoap 13 may *i adjusted'so as to be in contact with the cap 23 and thereby close the space 56b Whenever desired.

A By havingfthe plug 46 removable from the spindle i7, it is 'possible to use plugs having 4the'bore 48 of 'dierent sizes so as to vdischarge difierent quantities of oil. yihis arrangement obviates the necessity of member arranged n. alinenient with the surface of theoonical' renewing:v the whole spindle in. order to provide a different outlet openin at the end of the needle valve.

'it will be obvious to those skilled in the art that various changes may be made in the 79 details of the invention within Ythe scope of the appended claims and therefore .l do not Wish to be limi-ted to the precise details of construction. shown and described.

Having` thus described inyinveution what l claim is: g

l. in a burner, the combination of afnozzle, means for supplying' fuel to the nozzle, means for regulating; the discharge through the nozzle, means for discharging a jet of 8G air against thestream of fuel immediately after the fuel lea the nozzle, ay conical in alinei'nent with the form the mixture of nozzle and adapted to fuel and air into an outwardly diverging conicalA stream, means for discharging aconical jet of air againstA said outwardly diverging stream to break up the outwardly diverging cone, and means for forming the mixture of air and Wardly diverging conical jet.

2. in a burner, the comb' iation of a nozzle', means for supplying` fuel to the nozzle, means for regulating the discharge of fuel through the nozzleY means adapted to form the jetofxfuel discharged by the nozzle into an outwardly diver-ging conical' stream, means adapted to deliver a conical jet of air against the'conical streamfof fuel to break up the latter, into a second outwardly diverging cone, and

means for discharging a second conical jet of air against said second outwardly diverging cone for breaking up the latter.

3. In a burner, the combination of a noz- 105 zle, means for supplying fuel to the nozzle, means for regulating the discharge of fuel through the nozzle, means. for forming the jet of fuel discharged by the nozzle into an outwardly diverging for discharging a conical jet of air against the outer surface of the streamof fuel to break up the latter, means for forming the stream of fuel into a second outwardly diq verging conical stream, means for discharging a second conical jet of air against said second conical stream to break up the-latter,'and means for forming the fuel into a third voutwardly diverging; conical stream.

4.l`1n a burner, the combination of a noz- 120 zle,l means for supplying fuel to the nozzle,

-means for regulating the Adischargeif fuel through the nozzle, a cone arranged in alinement With the nozzle'and adapted to' form the fuel .discharged by 'the nozzle 'into an'` 125,

outwardly diverging conical stream, a nozzle for discharging a 'converging conical jet of air against the stream of fuel, cireum ferential Groove in said cone opposite said air nozzle and adapted to form the fuel into 13G fuel into a second out 90' means for forming the stream `1.00

conical stream', means '110 a second outwardly diverging conical stream after the first ,stream has been broken up by the jet of air.

5. In a burner, the combination of a nozzle, means for supplying fuel to the nozzle, means for regulating the discharge of fuel through the nozzle, an adjustable cap surrounding the end of the nozzle and forming therewith an air chamber, means for supplying air to the chamber, means for discharging air from said chamber against the jet of fuel immediately after the latter' leaves the nozzle, and a conical member carried by the nozzle and adjustable independe. ently of the cap and adapted to form the -inixture of air and fuel into an outwardly diverging conical stream',

`6. In a burner, the combination of a nozzle, means for supplying fuel to the nozzle, means for regulatmg the discharge' of fuel through the nozzle, a sleeve adjustably arranged on the outer end of the nozzle and projecting beyond the end of the nozzle, an

adjustable cap secured to the .nozzle and vforming an-annular air chamber on the eX- terior. of said sleeve and co erating with the outer end of the sleevevto fbrm a conical nozzle to discharge air from said chamber, and a conical member carried by said sleeve on theinterior thereof and adapted t-o form'- the jet of fuel into an outwardly diverging conical stream.

7. In a burner, the combination of a hollovv spindle having a nozzle at its outer end, a valve extending longitudinally through said spindle and adapted to control the discharge of fuel through said nozzle, a cap adjustablysecured on said spindle and providsaid spindle, and an adjustab emma;

said nozzle, a casing surrounding said spin.- dle and formlngfan air chamber; and a cap ying an annular air chamber 'surrounding' on said casing surrounding said first-men casing and cooperating with the firstv cap to discharge air `from the interior of said'cas- 'ing in -theform of an inwardly converging conical jet. v I

9; In a burner, the combination of a cas-l ing, a tubular memberarranged longitudinally of the casing and havin the end of` said tubular member and pro- -viding a mixing chamber beyond said .noz-

zle, and a plurality of adjustable caps eooperating with said sleeve vand with each other to form inwardly directed conical no zzles for discharging a1r from'the interior of said casing.

a. nozzle at 'y its'outer end, a sleeve adjustab y secured on In testimony whereof I alix my signature in presence of two witnesses Y.

`ALFRED R. NTHONY.,l

Witnesses: 1 I

WM. A. TITSWORTH, JOHN HENTRIGHT. 

